S42M Hardware User Guide
1VV0301379 Rev. 4
Page
24
of
48
2018-11-28
Power Consumption and Power-Down Modes
6.5.1.
Terminal I/O Configuration
The following values are typical power consumption values in different states of operation.
S42M configured as a peripheral device.
VSUP = 3,0V, T
amb
= 25°C, all GPIO lines left open
Mode
Condition
Note
Current
Consumption (
I
Avg
)
Tx power: 0dBm (max)
Unit
AI
AI3ATH
System off
CPU off, Radio inactive, 32k clock off,
SRAM Retention off
1
1,9
µA
Reset
Device hold in Reset
1,1
1,6
mA
UICP active
and
serial interface
down
Standby, Advertising Off (Radio
inactive)
1,2
2,2
µA
Standby, Advertising, 3 channels
advertising interval: 1.28s
25
28
µA
Connected,
connection interval: 1.28s
(1)
34
39
µA
Connected,
connection interval: 40ms
(1,2)
560
620
µA
UICP not
active
or
serial interface
up
Idle, Advertising Off (Radio inactive)
3,5
3,9
mA
Advertising, 3 channels
advertising interval: 1.28s
3,5
3,9
mA
Connected,
connection interval: 1.28s
(1)
3,5
3,9
mA
Connected,
connection interval: 40ms
(1,2)
3,5
3,9
mA
Connected,
connection interval: 7,5ms
(1)
3,7
4,1
mA
(1)
connection parameters are setup by the central device when connection is established
(2)
these are a typical connection parameters used by an iPhone, iPad or iPad mini device in the central device role
Table 9: Supply Current BLE Terminal I/O Profile, Peripheral Device Role
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